Finding the Fourth Proportional to 151,036,459.06, 208,371,297.42 and 84,941,806.18
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Solution
The fourth proportional to 151,036,459.06, 208,371,297.42 and 84,941,806.18 is: 117,186,502.31
Step by Step Solution
- Step 1: Write the proportion equation
151,036,459.06 : 208,371,297.42 = 84,941,806.18 : x - Step 2: Convert to fraction form
151,036,459.06/208,371,297.42 = 84,941,806.18/x - Step 3: Cross multiply
151,036,459.06x = 208,371,297.42 × 84,941,806.18 - Step 4: Simplify right side
151,036,459.06x = 17,699,434,358,924,774 - Step 5: Solve for x
x = 17,699,434,358,924,774/151,036,459.06 - Step 6: Final answer
x = 117,186,502.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.